[gnome-shell] Non-fast-forward update to branch wip/chergert/no-fsync-on-main-thread

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/no-fsync-on-main-thread' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  5c8f3a6... switcherPopup: Use this._highlighted to check for reentranc
  172d21c... switcherPopup: Use local variable for index in scrolling fu
  548c41d... switcherPopup: Swap Math.max and Math.min in _scrollToLeft
  ba7cfff... switcherPopup: Disable hover on scrolling events
  c00f1d0... switcherPopup: Select correct item after removal of item
  bfb0bc7... switcherPopup: Implement functions to add and remove access
  bf213af... switcherPopup: Lookup index of items when hovering or click
  09acd0a... switcherPopup: Always return true when the popup finished e
  023859e... switcherPopup: Use correct scroll-direction property
  51b7eb7... altTab: Don't fade out thumbnails on destroy
  9af3e2f... global: force fsync() to worker thread when saving state

Commits added to the branch:

  249b7a3... global: force fsync() to worker thread when saving state